Home / 22,919.76-31,627.67-12,847.01

Finding the Fourth Proportional to 22,919.76, 31,627.67 and 12,847.01

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Solution

The fourth proportional to 22,919.76, 31,627.67 and 12,847.01 is: 17,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.76 : 31,627.67 = 12,847.01 : x
  2. Step 2: Convert to fraction form
    22,919.76/31,627.67 = 12,847.01/x
  3. Step 3: Cross multiply
    22,919.76x = 31,627.67 × 12,847.01
  4. Step 4: Simplify right side
    22,919.76x = 406,320,770.39
  5. Step 5: Solve for x
    x = 406,320,770.39/22,919.76
  6. Step 6: Final answer
    x = 17,727.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.